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5-day forecast / Van Alstyne, TX

FridaySunny95° / 75° 1%
SaturdaySunny97° / 76° 3%
SundaySunny99° / 77° 10%
MondaySunny99° / 77° 1%
TuesdaySunny99° / 77° 3%

Dangerous Heat Index Hits 102 in Van Alstyne as Temperatures Climb - Sep 4, 2 PM

Van Alstyne weather, updated every four hours — local forecasts you can trust.

Van Alstyne residents face dangerous heat today with a feels-like temperature of 102F. Humidity levels are notable, and conditions remain sunny through tomorrow.

Marlene Ortiz

September 4, 20262 min read

National Weather Service radar for North Texas (KFWS)

*As of Sep 4, 2 PM local time.*

Dangerous Heat Conditions

Van Alstyne is currently under the influence of intense heat, with the air temperature at 95F but a feels-like temperature reaching 102F. This significant disparity is driven by a dew point of 70F and relative humidity of 44%. Winds are blowing from the south at 11 mph, with gusts reaching up to 23 mph, while the sky remains clear.

The National Weather Service indicates that heat index values will remain elevated throughout the day. Today is forecast to be sunny with a high near 95F and a low near 75F. The chance of precipitation is minimal at just 1%. South winds are expected to average around 10 mph during daylight hours.

Outlook for Tonight and Tomorrow

As evening approaches, skies will transition to mostly clear conditions overnight. Temperatures will drop to a low around 75F, though they may rise slightly to around 77F later in the night. The heat index is expected to reach as high as 100 during this period. Winds will ease, becoming south at 0 to 10 mph.

Tomorrow continues the trend of hot and sunny weather. Residents can expect a high near 97F with a low around 76F. Precipitation chances remain very low at 3%.

South winds will be light, ranging from 0 to 5 mph. Overnight into tomorrow night, skies will again become mostly clear, with lows around 76F and temperatures rising to approximately 78F. The heat index may climb back up to 100, with south southeast winds remaining calm at 0 to 5 mph.

There are no active National Weather Service or NOAA weather alerts in effect for this area. However, the persistent heat requires caution. It is critical to stay hydrated and limit midday exertion when temperatures peak. Check on neighbors who may be vulnerable to extreme heat, and ensure pets have access to cool, shaded areas with fresh water.

National Weather Service radar for North Texas (KFWS)

Sources

https://radar.weather.gov

https://api.weather.gov

https://open-meteo.com

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Marlene Ortiz

Marlene Ortiz covers weather, storms, and seasonal life across Van Alstyne and Grayson County.

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